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  • Linux性能测试 /proc目录

    /proc文件系统 - 各种内核信息
    /proc目录下文件提供了很多不同硬件设备和内核的详细信息。更多详情参见Linux kernel /proc。一般/proc例如:

    [root@SM155 proc]# cat /proc/cpuinfo
    processor       : 0
    vendor_id       : GenuineIntel
    cpu family      : 6
    model           : 15
    model name      : Intel(R) Pentium(R) Dual  CPU  E2180  @ 2.00GHz
    stepping        : 13
    cpu MHz         : 2000.000
    cache size      : 1024 KB
    physical id     : 0
    siblings        : 2
    core id         : 0
    cpu cores       : 2
    fdiv_bug        : no
    hlt_bug         : no
    f00f_bug        : no
    coma_bug        : no
    fpu             : yes
    fpu_exception   : yes
    cpuid level     : 10
    wp              : yes
    flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pni monitor ds_cpl est tm2 xtpr
    bogomips        : 4002.68
    [root@SM155 proc]# cat /proc/meminfo
    MemTotal:      2073624 kB
    MemFree:       1174376 kB
    Buffers:         89440 kB
    Cached:         676780 kB
    SwapCached:          0 kB
    Active:         517460 kB
    Inactive:       317268 kB
    HighTotal:     1178312 kB
    HighFree:       426304 kB
    LowTotal:       895312 kB
    LowFree:        748072 kB
    SwapTotal:     2008116 kB
    SwapFree:      2008116 kB
    Dirty:             192 kB
    Writeback:           0 kB
    Mapped:         135720 kB
    Slab:            47856 kB
    CommitLimit:   3044928 kB
    Committed_AS:   659484 kB
    PageTables:       2240 kB
    VmallocTotal:   106488 kB
    VmallocUsed:      4236 kB
    VmallocChunk:   101040 kB
    HugePages_Total:     0
    HugePages_Free:      0
    Hugepagesize:     2048 kB
    [root@SM155 proc]# 
    [root@SM155 proc]# 
    [root@SM155 proc]# cat /proc/mounts
    rootfs / rootfs rw 0 0
    /proc /proc proc rw,nodiratime 0 0
    none /dev tmpfs rw 0 0
    /dev/root / ext3 rw 0 0
    none /dev tmpfs rw 0 0
    /proc /proc proc rw,nodiratime 0 0
    /proc/bus/usb /proc/bus/usb usbfs rw 0 0
    /sys /sys sysfs rw 0 0
    none /dev/pts devpts rw 0 0
    /dev/sda1 /boot ext3 rw 0 0
    /dev/sda2 /share ext3 rw 0 0
    none /dev/shm tmpfs rw 0 0
    /dev/sdb1 /disk1 ext3 rw 0 0
    none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
    /dev/sda2 /swb/log/stbdata/config ext3 rw 0 0
    [root@SM155 proc]# cat /proc/zoneinfo
    Node 0, zone      DMA
      pages free     2821
            min      17
            low      21
            high     25
            active   0
            inactive 0
            scanned  0 (a: 0 i: 0)
            spanned  4096
            present  4096
            protection: (0, 880, 1007)
      pagesets
        cpu: 0 pcp: 0
                  count: 5
                  low:   2
                  high:  6
                  batch: 1
        cpu: 0 pcp: 1
                  count: 0
                  low:   0
                  high:  2
                  batch: 1
        cpu: 1 pcp: 0
                  count: 5
                  low:   2
                  high:  6
                  batch: 1
        cpu: 1 pcp: 1
                  count: 0
                  low:   0
                  high:  2
                  batch: 1
      all_unreclaimable: 0
      prev_priority:     12
      temp_priority:     12
      start_pfn:         0
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  • 原文地址:https://www.cnblogs.com/lanzhi/p/6468273.html
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